So Romulan ships aren't listed as Sci, Tac or Eng but it's own class: The Warbird. The warbird its suggested capability is tied to the singularity core of the ship.

How on Earth is this going to work? And is this the forerunner of the suggested idea of introducing various Warp Cores into ships to increase their flexibility. Myself who is mainly a cruiser captain is cautiously optimistic. By having various swappable/ modifiable core types Cruiser sized ships may finally be able to ramp up their turn and weapons power far greater than they are now.